# -*- coding: utf-8 -*-#
#-------------------------------------------------------------------------------
# 建立者:       王景渊  
# Name:         4.19
# Description:
# Author:       dell
# Date:         2019/ajaxdata.json/28
#-------------------------------------------------------------------------------
numbers =[1,2,3,4,5,6,7,8,9]
print(numbers[::-3])
print(numbers[:3:-2])
